5.4 Psychoacoustic Model

26.4033GPPAdvanced Audio Coding (AAC) partEncoder specificationEnhanced aacPlus general audio codecGeneral audio codec audio processing functionsRelease 17TS

The psychoacoustic model is simplified compared to the model presented in [2]. Note that the model works in combination with the quantization and coding strategy described in 5.6 below. The following sections describe the steps of the threshold calculation.